BSc CSIT (TU) Science Digital Logic (BSc CSIT, CSC116) Question Paper 2080
This is the official BSc CSIT (TU) (Science stream) Digital Logic (BSc CSIT, CSC116) question paper for 2080, as set in the regular annual examination. It carries 60 full marks and a time allowance of 180 minutes, across 12 questions. On Kekkei you can attempt this Digital Logic (BSc CSIT, CSC116) past paper online with a timer, get instant AI feedback and step-by-step solutions, and track the topics where you lose marks — completely free. Whether you are revising for your BSc CSIT (TU) Digital Logic (BSc CSIT, CSC116) exam or solving previous years' question papers, this 2080 paper is a great way to practise under real exam conditions.
Section A: Long Answer Questions
Attempt any TWO questions.
Explain different methods of binary subtraction. Subtract 27 from 18 using 8-bit 2's complement representation.
Minimize F(A,B,C,D) = Sum(0,2,4,6,8,10,12,14) using a K-map and implement using a multiplexer.
Explain the working of SR, D, JK and T flip-flops with truth tables and excitation tables.
Section B: Short Answer Questions
Attempt any EIGHT questions.
Convert (734.25)8 into hexadecimal.
State the duality principle of Boolean algebra.
Design a full adder using a decoder.
Explain the operation of a 4-to-2 priority encoder.
Differentiate between PLA and PAL.
Explain the operation of a PIPO shift register.
Design a mod-10 (decade) counter.
Explain the difference between a multiplexer and a demultiplexer.
Write short notes on look-ahead carry generator.